Lighting, however, also helped clue viewers in to the fact that this picture wasn't business as usual.

不过作品的用光也让观者注意到这些不是平常的商业图片。

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In order to achieve this purpose, there must be analysis on security accident to get the truth of fact, so we have to survey clue among them.

为了达到这一目的，必然要有对安全性突发事件的分析以求得事实的真相，所以必须要对其中的线索进行调查。

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This is, in fact the clue which leads us to where the Burrow actually is.

这事实上是把我们引向陋居实际在哪里的线索。

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However, according to the researchers, a clue may lie in the fact that micro-organisms, too, work in mysterious ways.

ECONOMIST: Psychiatric disorders and immunity

However, this does give us a clue to what I think would in fact be the one single thing we could do in order to increase happiness in our modern day society.

FORBES: Jeff Sachs and the Economics of Happiness